---
title: TMail21 Reviews
meta_title: 'TMail21 Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how TMail21 works for a business like yours.
aggregate_rating:
  rating_value: 4.0
  review_count: 3
  scale: '5'
date_modified: '2026-06-15'
parent_category:
  name: Collaboration & Productivity
  url: https://www.g2.com/categories/collaboration-productivity
---

# TMail21 Reviews
**Vendor:** TMail21  
**Category:** [Email Management Software](https://www.g2.com/categories/email-management)  
**Average Rating:** 4.0/5.0  
**Total Reviews:** 3
## About TMail21
The product is an email-like app/service that massively increases collaborative productivity. The customers are teams, groups and businesses that are heavily reliant on email for communication and collaboration. With TMail, these businesses can increase their collaborative productivity dramatically (70-80% improvement for many use cases).




## TMail21 Reviews
  ### 1. Can be one of the best implementation in you mails for group projects

**Rating:** 4.5/5.0 stars

**Reviewed by:** Archit S. | Operations Manager, Small-Business (50 or fewer emp.)

**Reviewed Date:** June 22, 2022

**What do you like best about TMail21?**

It's auto mail organisation and real time tracking for the ipdates regarding the project and and clients helps alot in easing the work and it make sures that i do not miss any important mail.

**What do you dislike about TMail21?**

It's all good, except the UI. 
It's kind of very old and dull design and could be better with some colours and animations, rest it's all good in case of functionality.

**What problems is TMail21 solving and how is that benefiting you?**

It's helping me and my team to track the important mail conversations and also make sure no other mails mixes up and left out.
It really made our work easy in day to day life specially with the integration in Teams

  ### 2. Helps in team collaboration instead of emails

**Rating:** 3.5/5.0 stars

**Reviewed by:** Verified User in Computer Software | Small-Business (50 or fewer emp.)

**Reviewed Date:** December 26, 2021

**What do you like best about TMail21?**

Team communication is managed through asynchronous micro processes and it avoids long and lengthy emails.

**What do you dislike about TMail21?**

Due to multiple small small conversations, some conversations might get missed

**What problems is TMail21 solving and how is that benefiting you?**

Team collaboration 
Stakeholders communication
Productivity enhancement

  ### 3. Best for team collaboration

**Rating:** 4.0/5.0 stars

**Reviewed by:** Verified User in Investment Management | Enterprise (> 1000 emp.)

**Reviewed Date:** November 05, 2021

**What do you like best about TMail21?**

Good collaboration.
Less cycles
Inbox size is too small
Good output
Best suited for micro processes

**What do you dislike about TMail21?**

It needs improvement in Inbox management.

**What problems is TMail21 solving and how is that benefiting you?**

Prioritizing the mails based on there type and importance.


## TMail21 Discussions
  - [What is TMail21 used for?](https://www.g2.com/discussions/what-is-tmail21-used-for)

- [View TMail21 pricing details and edition comparison](https://www.g2.com/products/tmail21/reviews?section=pricing&secure%5Bexpires_at%5D=2026-06-22+14%3A42%3A37+-0500&secure%5Bsession_id%5D=b88bf57b-6c26-48a6-a0a8-480e38c58d46&secure%5Btoken%5D=47006c12e68931cdad137f347e9be0a270f3b1a9d615ea4c60e8096c2eac5535&format=llm_user)

## TMail21 Features
**Sorting & Filtering**
- Attachment Search
- Tags
- AI Sorting
- Predefined Rules

**Integrations**
- Microsoft Outlook Integration
- Gmail Integration
- Apple Calendar Integration

**Time Management**
- Unified Inbox
- Email Automation
- Snooze

**Generative AI**
- AI Text Generation
- AI Text-to-Speech
- AI Text Summarization

**Agentic AI - Email Management**
- Autonomous Task Execution
- Cross-system Integration

## Top TMail21 Alternatives
  - [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) - 4.6/5.0 (5,520 reviews)
  - [Front](https://www.g2.com/products/front/reviews) - 4.6/5.0 (2,426 reviews)
  - [Hiver in Gmail](https://www.g2.com/products/hiver-in-gmail/reviews) - 4.6/5.0 (1,251 reviews)

